| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.ozone.container.common.interfaces; |
| |
| import org.apache.hadoop.ozone.container.common.impl.StorageLocationReport; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| |
| /** |
| * Returns physical path locations, where the containers will be created. |
| */ |
| public interface ContainerLocationManager { |
| /** |
| * Returns the path where the container should be placed from a set of |
| * locations. |
| * |
| * @return A path where we should place this container and metadata. |
| * @throws IOException |
| */ |
| Path getContainerPath() throws IOException; |
| |
| /** |
| * Returns the path where the container Data file are stored. |
| * |
| * @return a path where we place the LevelDB and data files of a container. |
| * @throws IOException |
| */ |
| Path getDataPath(String containerName) throws IOException; |
| |
| /** |
| * Returns an array of storage location usage report. |
| * @return storage location usage report. |
| */ |
| StorageLocationReport[] getLocationReport() throws IOException; |
| |
| /** |
| * Supports clean shutdown of container. |
| * |
| * @throws IOException |
| */ |
| void shutdown() throws IOException; |
| } |